OpenTechnical

OT-2026-000083162

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, vented after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000083162) never changes.

Identity and time

Publication numberOT-2026-000083162 · never reused
Internal UUID01a0ae97-c962-762b-b3a1-a803f7fa8f1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083162
StatusPUBLIC

Content hashes

Canonical textcbb84531f7c783682d980a97d7af104eed12e1398f7ab299ad1a5eadc92ddb16
Markdown47de4b9be4571ed5e996cf6c7a866ee6c06eecc1d8079a30e224cc3219a9326d
PDF
Publication page2edd6b17756560253bfad2d02b9e420807658bca75a8c694611ab13b9b0a4d87
Manifest4338fb9e41ef3d10660bd8a9044e19f50d3035d39048e0c29920989123475648

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturepgtJTYtQcuqXtwZDJziv/f8+RkirLXeyK7BQSXvj6/En6JX2O0L5FNACd3EgBFaPYyQTUo9FyLRDm6cNiyAZDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:00:55.427600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083162
observed 2edd6b17756560253bfad2d02b9e4208...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:55.410546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083162/manifest.json
observed 4338fb9e41ef3d10660bd8a9044e19f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:55.392499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083162/publication.md
observed 47de4b9be4571ed5e996cf6c7a866ee6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:55.373456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083162/publication.txt
observed cbb84531f7c783682d980a97d7af104e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.